It was ten years ago ______ that organization was _______.
The idea has been widely accepted______Beijing Opera should be added to the basic education in China.
I have no doubt that he will pass the exam, but I still think there is something about _____ he has really got everything ready.
_____ puzzles me most is that I don’t know ______ the difference between the two lies.
Determination is a kind of basic quality and this is _____ it takes to do jobs well.